Note to self: Next time we invent a new crash safety system, make sure the engineer puts in fresh batteries before showing it off to the press. Poor Volvo forgot to make sure the batteries in their new crash avoidance system were up to snuff before a public demonstration, so when they pushed it toward the rear end of a parked truck, it crashed head on instead of doing a graceful pirouette to avoid the impact. Uh-oh. Fortunately it was an easy fix—the batteries, not the car's front end. Even though these are arguably the safest cars in the world, you still need top quality Volvo brake rotors.